USA Boys 10 & under - 50 M Fly
These rankings show the swimmers' placement within the United States.They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.
Swimmer Rankings
| Ranking | Name | Time | Age | Standard | to Next Standard | Team | Date | Meet | |
|---|---|---|---|---|---|---|---|---|---|
| 151 | Tucker McCullough | 39.42 | 10 | A Min | AA: 38.59 (+0.83s | 2.1%) | Team Rebel Aquatics | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 152 | Timur Metov | 39.43 | 10 | A Min | AA: 38.59 (+0.84s | 2.1%) | Montverde Aquatic Club | 04/25/2026 | 11th Annual Hohne Memorial Invitational | |
| 153 | Aiden Mulcahy | 39.46 | 10 | A Min | AA: 38.59 (+0.87s | 2.2%) | Aulea Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 154 | Flynn Sutton | 39.46 | 9 | A Min | AA: 38.59 (+0.87s | 2.2%) | T2 Aquatics | 04/17/2026 | 2026 GCST Spring Open | |
| 155 | Cameron Boitano | 39.47 | 10 | A Min | AA: 38.59 (+0.88s | 2.2%) | Pleasanton Seahawks | 07/11/2025 | 2025 Age Group Championships | |
| 156 | Parker Sampson | 39.48 | 10 | A Min | AA: 38.59 (+0.89s | 2.3%) | Denver Swim Academy | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 157 | Tatsumasa Sekine | 39.50 | 9 | A Min | AA: 38.59 (+0.91s | 2.3%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 158 | Jackson Collier | 39.51 | 10 | A Min | AA: 38.59 (+0.92s | 2.3%) | Cypress Fairbanks Swim Club | 06/13/2025 | 2025 ST ASC Firecracker | |
| 159 | Ezz Abdelhadi | 39.60 | 10 | A Min | AA: 38.59 (+1.01s | 2.6%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 160 | Marcus Stefan | 39.65 | 11 | A Min | AA: 38.59 (+1.06s | 2.7%) | Teamgoldusa | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 161 | Isaac Chapman | 39.67 | 10 | A Min | AA: 38.59 (+1.08s | 2.7%) | SwimRVA | 06/27/2024 | NOVA Firecracker Classic | |
| 162 | Jaxon Mondragon | 39.67 | 10 | A Min | AA: 38.59 (+1.08s | 2.7%) | Aquawolves Swimming | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 163 | Trevor Lam | 39.69 | 9 | A Min | AA: 38.59 (+1.10s | 2.8%) | Dare Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 164 | Michael Fan | 39.76 | 10 | A Min | AA: 38.59 (+1.17s | 2.9%) | High Performance Aquatic Club | 04/18/2026 | 2026 ST ASC LC Kickoff | |
| 165 | Leonardo Maia | 39.81 | 10 | A Min | AA: 38.59 (+1.22s | 3.1%) | Swim Coral Springs | 04/18/2026 | SCS Under The Sun Invitational | |
| 166 | Aspar Dzebisov | 39.90 | 10 | A Min | AA: 38.59 (+1.31s | 3.3%) | Fast Lane Aquatics | 05/01/2026 | 2026 WFLA SPRING OPEN | |
| 167 | Matthew Zhao | 39.91 | 10 | A Min | AA: 38.59 (+1.32s | 3.3%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 168 | Kellan Naisbitt | 39.91 | 10 | A Min | AA: 38.59 (+1.32s | 3.3%) | Mission Viejo Nadadores | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 169 | Keegan Bertoia | 39.93 | 9 | A Min | AA: 38.59 (+1.34s | 3.4%) | Schertz YMCA Swim Team | 05/09/2026 | 2026 ST NTRO LC School S Out | |
| 170 | Jaezyn Magnaye | 39.94 | 10 | A Min | AA: 38.59 (+1.35s | 3.4%) | Tualatin Hills Swim Club | 08/06/2025 | 2025 Summer Elite Showcase | |
| 171 | Greyson Huddleston | 39.96 | 9 | A Min | AA: 38.59 (+1.37s | 3.4%) | Patriot Aquatics | 04/11/2026 | 2026 Ron Nardozzi Pre Derby Sprint Invite C | |
| 172 | Kyle Dotts | 39.99 | 10 | A Min | AA: 38.59 (+1.40s | 3.5%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 173 | Stewart Bye | 40.02 | 10 | A Min | AA: 38.59 (+1.43s | 3.6%) | Corvallis Aquatic Team | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 174 | Adam Jiang | 40.06 | 10 | A Min | AA: 38.59 (+1.47s | 3.7%) | Waterloo Swimming | 04/19/2026 | 2026 ST WLOO Classic | |
| 175 | Jonathan Nelson | 40.06 | 10 | A Min | AA: 38.59 (+1.47s | 3.7%) | Utah Valley Aquatics | 05/02/2025 | 2025 UVrays LC May Invitational | |
| 176 | Jaize Council | 40.06 | 10 | A Min | AA: 38.59 (+1.47s | 3.7%) | Tide Swimming | 07/11/2024 | 2024 VSI Regional Summer Awards | |
| 177 | Evan Wang | 40.07 | 9 | A Min | AA: 38.59 (+1.48s | 3.7%) | Rose Bowl Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 178 | Alister Carlton | 40.08 | 9 | A Min | AA: 38.59 (+1.49s | 3.7%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 179 | Michael Riley | 40.09 | 10 | A Min | AA: 38.59 (+1.50s | 3.7%) | Alamo Area Aquatic Association | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 180 | Michael Laurence | 40.09 | 9 | A Min | AA: 38.59 (+1.50s | 3.7%) | Gulliver Swim Club | 05/01/2026 | Jesse Vasallo Swimming Invitational | |
| 181 | Aiden Suffel | 40.10 | 10 | A Min | AA: 38.59 (+1.51s | 3.8%) | Lakeshore Swim Club | 07/12/2025 | LSSC Avon Classic | |
| 182 | Jayden Liu | 40.10 | 10 | A Min | AA: 38.59 (+1.51s | 3.8%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 183 | Brooks Switaj | 40.14 | 9 | A Min | AA: 38.59 (+1.55s | 3.9%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 184 | Jason Ye | 40.15 | 10 | A Min | AA: 38.59 (+1.56s | 3.9%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 185 | Dylan sun | 40.17 | 10 | A Min | AA: 38.59 (+1.58s | 3.9%) | Brea Aquatics | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 186 | Aarav Narayan | 40.18 | 10 | A Min | AA: 38.59 (+1.59s | 4.0%) | Pleasanton Seahawks | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 187 | Hei Chan | 40.19 | 10 | A Min | AA: 38.59 (+1.60s | 4.0%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 188 | Jacob Liu | 40.24 | 10 | A Min | AA: 38.59 (+1.65s | 4.1%) | Aquazot Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 189 | Zachary Snyder | 40.27 | 10 | A Min | AA: 38.59 (+1.68s | 4.2%) | Madison Area YMCA Mariners | 08/06/2025 | 2025 Summer Elite Showcase | |
| 190 | Leonardo Henn | 40.28 | 10 | A Min | AA: 38.59 (+1.69s | 4.2%) | Eagles Swim Club | 04/18/2026 | SCS Under The Sun Invitational | |
| 191 | Jarvis Qu | 40.29 | 9 | A Min | AA: 38.59 (+1.70s | 4.2%) | Mission Viejo Nadadores | 07/25/2024 | 2024 CA SCS GWSC Summer A G Champs | |
| 192 | Alexander Bond | 40.31 | 10 | A Min | AA: 38.59 (+1.72s | 4.3%) | Mission Viejo Nadadores | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 193 | Wesley Ho | 40.33 | 10 | A Min | AA: 38.59 (+1.74s | 4.3%) | Aspire Aquatics of Colorado | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 194 | Shaler Berry | 40.34 | 10 | A Min | AA: 38.59 (+1.75s | 4.3%) | Heartland Swim Assoc | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 195 | Axel Duran Rodriguez | 40.34 | 10 | A Min | AA: 38.59 (+1.75s | 4.3%) | Escualos | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 196 | Eames Meek | 40.37 | 10 | A Min | AA: 38.59 (+1.78s | 4.4%) | Highlander Aquatic Club | 05/15/2026 | 2026 PA Long Course Invite | |
| 197 | Miles Kavanaugh | 40.38 | 10 | A Min | AA: 38.59 (+1.79s | 4.4%) | University Place Aquatic Club | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 198 | Zachary Brill | 40.41 | 10 | B Min | BB: 38.69 (+1.72s | 4.3%) | Aquatex Swim & Water Polo Team | 04/10/2026 | 2026 ST LSAC 6th Annual Atomic Fest | |
| 199 | Lucas Pan | 40.42 | 9 | A Min | AA: 38.59 (+1.83s | 4.5%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 200 | Allister Georgiou | 40.42 | 10 | A Min | AA: 38.59 (+1.83s | 4.5%) | McGrath Marlins Swim Team | 04/24/2026 | 2026 SI PS ABB Meet B Group | |
Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.